Which of the Following Statements Is TRUE

question 20

Multiple Choice

Which of the following statements is TRUE?

• A) In cluster sampling, the parent population is broken into mutually exclusive and exhaustive subgroups and a simple random sample is selected from each subgroup.
• B) Cluster samples are most statistically efficient when the clusters are internally homogeneous.
• C) In order to yield high statistical efficiency, each cluster in a cluster sample should include as many diverse universe values as possible.
• D) One of the main advantages of cluster sampling over simple random sampling is its greater statistical efficiency for the same size sample.
• E) All of the above statements are false.

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Definitions:

Teratogens

Agents, such as chemicals, viruses, or radiation, that can cause congenital anomalies or developmental malformations in a fetus when exposed during pregnancy.

Down's Syndrome

A genetic disorder caused by the presence of an extra chromosome 21, characterized by physical growth delays and moderate to mild intellectual disability.

Infertility

The inability to conceive a child after a year or more of regular sexual intercourse without the use of birth control.

Klinefelter Syndrome

A genetic condition in males characterized by an extra X chromosome, leading to low testosterone levels, reduced muscle mass, and possible learning difficulties.